SINTERED BEARING, FLUID DYNAMIC BEARING DEVICE AND MOTOR COMPRISING SAME, AND SINTERED BEARING MANUFACTURING METHOD

• Main Authors: KURIMURA TETSUYA, HARADA KAZUYOSHI
• Format: Patent
• Language: English; French; Japanese
• Published: 17.09.2015
• Subjects: BEARINGS; BLASTING; CASTING; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; DYNAMO-ELECTRIC MACHINES; ELECTRICITY; ELEMENTS OR CRANKSHAFT MECHANISMS; ENGINEERING ELEMENTS AND UNITS; FLEXIBLE SHAFTS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; GENERATION; HEATING; LIGHTING; MAKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MECHANICAL ENGINEERING; PERFORMING OPERATIONS; POWDER METALLURGY; ROTARY BODIES OTHER THAN GEARING ELEMENTS; SHAFTS; THERMAL INSULATION IN GENERAL; TRANSPORTING; WEAPONS; WORKING METALLIC POWDER

This sintered bearing (8) has a plurality of axial grooves (8c1) arranged on an outer circumferential face (8c) at regular intervals in the circumferential direction and also has a plurality of dynamic pressure grooves (8a11) and the like arranged on the inner circumferential face (8a) at regular in...